#FB6890

CSS

:root {
  --blush-hour: #fb6890;
  --blush-hour-rgb: 251 104 144;
  --blush-hour-oklch: oklch(0.71 0.182 6.1);
}

.element {
  color: var(--blush-hour);
  background-color: hsl(344 95% 70%);
  border-color: oklch(0.71 0.182 6.1);
}

Tailwind CSS v4

@theme {
  --color-blush-hour: #fb6890;
  --color-blush-hour-50: #ffe0eb;
  --color-blush-hour-100: #ffcfdc;
  --color-blush-hour-200: #ffb3c5;
  --color-blush-hour-300: #ff8da5;
  --color-blush-hour-400: #f3698e;
  --color-blush-hour-500: #e23f73;
  --color-blush-hour-600: #bf3862;
  --color-blush-hour-700: #992c4e;
  --color-blush-hour-800: #721f3b;
  --color-blush-hour-900: #501428;
  --color-blush-hour-950: #350516;
}

SCSS

$blush-hour: #fb6890;
$blush-hour-rgb: 251, 104, 144;
$blush-hour-light: mix(#fff, $blush-hour, 20%);
$blush-hour-dark: mix(#000, $blush-hour, 20%);

.element {
  color: $blush-hour;
  box-shadow: 0 0 0 2px rgba($blush-hour, 0.35);
}